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Environmental Sciences
Denmark
2025

D-Index & Metrics

Ecology and Evolution

D-Index
78
Citations
18859
World Ranking
925
National Ranking
19

Research.com Recognitions

  • 2025 - Research.com Environmental Sciences in Denmark Leader Award
  • 2023 - Research.com Environmental Sciences in Denmark Leader Award
  • 2022 - Research.com Environmental Sciences in Denmark Leader Award

Overview

Marianne Holmer is affiliated with the University of Southern Denmark in Denmark and conducts research primarily in the fields of Environmental Science and Earth and Planetary Sciences. The focus of their work spans a variety of areas including Oceanography, Ecology, and aspects of Management, Monitoring, Policy and Law related to coastal and marine environments.

The scientist's main research topics include marine and coastal plant biology, marine biology and ecology research, coastal wetland ecosystem dynamics, coastal and marine management, marine bivalve and aquaculture studies, coastal and marine dynamics, as well as methane hydrates and related phenomena.

Marianne Holmer's recent papers feature studies on microplastic enrichment, carbon and nitrogen sediment stocks, mutualism in seagrasses, trends in seagrass research, and Nordic blue carbon ecosystems. Notable publications include:

  • New Insights into the Microplastic Enrichment in the Blue Carbon Ecosystem: Evidence from Seagrass Meadows and Mangrove Forests in Coastal South China Sea (2021, Environmental Science & Technology)
  • Major impacts and societal costs of seagrass loss on sediment carbon and nitrogen stocks (2021, Ecosphere)
  • First Field-Based Evidence That the Seagrass-Lucinid Mutualism Can Mitigate Sulfide Stress in Seagrasses (2020, Frontiers in Marine Science)
  • Current trends in seagrass research in China (2010-2019) (2020, Aquatic Botany)
  • Nordic Blue Carbon Ecosystems: Status and Outlook (2022, Frontiers in Marine Science)

The scientist frequently publishes in a selected group of journals, with multiple contributions to Frontiers in Marine Science, Environmental Science & Technology, Limnology and Oceanography, Ecosphere, and Aquatic Botany.

Collaborations have been established with various researchers. Frequent coauthors include Christoffer Boström, Yuzhou Huang, Xi Xiao, Caicai Xu, and Dorte Krause-Jensen.

Best Publications

  • Seagrass ecosystems as a globally significant carbon stock

    James W. Fourqurean;Carlos M. Duarte;Carlos M. Duarte;Hilary Kennedy;Núria Marbà

  • Seagrass sediments as a global carbon sink: Isotopic constraints

    Hilary Kennedy;Jeff Beggins;Carlos M. Duarte;James W. Fourqurean

  • Sulphate reduction and sulphur cycling in lake sediments: a review

    Marianne Holmer;Peter Storkholm

  • Will the Oceans Help Feed Humanity

    Carlos M. Duarte;Marianne Holmer;Yngvar Olsen;Doris Soto

  • An overview of ecological status, vulnerability and future perspectives of European large shallow, semi-enclosed coastal systems, lagoons and transitional waters

    Alice Newton;John Icely;Sónia Cristina;Ana Brito

  • Rapid Domestication of Marine Species

    Carlos M. Duarte;Nùria Marbá;Marianne Holmer

  • Environmental issues of fish farming in offshore waters: perspectives, concerns and research needs.

    Marianne Holmer

  • Decomposition of plant materials in marine sediment exposed to different electron acceptors (O2, NO3−, and SO42−), with emphasis on substrate origin, degradation kinetics, and the role of bioturbation

    Erik Kristensen;Marianne Holmer

  • Impact of marine fish cage farming on metabolism and sulfate reduction of underlying sediments

    M. Holmer;E. Kristensen

  • Towards a classification of organic enrichment in marine sediments based on biogeochemical indicators.

    B. T. Hargrave;Marianne Holmer;C. Newcombe

  • Habitat Cascades: The Conceptual Context and Global Relevance of Facilitation Cascades via Habitat Formation and Modification

    Mads S. Thomsen;Thomas Wernberg;Andrew Altieri;Fernando Tuya

  • Photosynthetic and growth response of eelgrass to low oxygen and high sulfide concentrations during hypoxic events

    Marianne Holmer;Elsebet Juhl Bondgaard

  • Effects of two polychaete worms, Nereis diversicolor and Arenicola marina, on aerobic and anaerobic decomposition in a sandy marine sediment

    Gary T. Banta;Marianne Holmer;Mikael H. Jensen;Erik Kristensen

  • Effects of fish farm waste on Posidonia oceanica meadows: Synthesis and provision of monitoring and management tools

    Marianne Holmer;Marina Argyrou;Tage Dalsgaard;Roberto Danovaro

  • Blue Carbon Storage Capacity of Temperate Eelgrass (Zostera marina) Meadows

    Maria Emilia Röhr;Maria Emilia Röhr;Marianne Holmer;Julia K. Baum;Mats Björk

  • Carbon and nitrogen mineralization in sediments of the Bangrong mangrove area, Phuket, Thailand

    Erik Kristensen;Frede Ø. Andersen;Nikolaj Holmboe;Marianne Holmer

  • Seagrass beds acting as a trap of microplastics - Emerging hotspot in the coastal region?

    Yuzhou Huang;Xi Xiao;Xi Xiao;Caicai Xu;Yuvna Devi Perianen

  • Sulfur cycling and seagrass (Posidonia oceanica) status in carbonate sediments

    Marianne Holmer;Carlos M. Duarte;Núria Marbá

  • Mussels as a tool for mitigation of nutrients in the marine environment

    Jens Kjerulf Petersen;Berit Hasler;Karen Timmermann;Pernille Nielsen

  • Seagrass Beds and Coastal Biogeochemistry

    Núria Marbà;Marianne Holmer;Esperança Gacia;Cristina Barron

  • Effects of benthic fauna on organic matter mineralization in fish-farm sediments: importance of size and abundance

    Anna C. Heilskov;Marianne Holmer

  • Seagrass sediments as a global carbon sink: Isotopic constraints

    Hilary Kennedy;Jeff Beggins;Carlos M. Duarte;James W. Fourqurean

Frequent Co-Authors

Núria Marbà
Núria Marbà Mediterranean Institute for Advanced Studies
Carlos M. Duarte
Carlos M. Duarte King Abdullah University of Science and Technology
Erik Kristensen
Erik Kristensen University of Southern Denmark
Ioannis Karakassis
Ioannis Karakassis University of Crete
Thomas Wernberg
Thomas Wernberg University of Western Australia
Mads S. Thomsen
Mads S. Thomsen University of Canterbury
Dorte Krause-Jensen
Dorte Krause-Jensen Aarhus University
Stiig Markager
Stiig Markager Aarhus University
Roberto Danovaro
Roberto Danovaro Marche Polytechnic University
Christoffer Boström
Christoffer Boström Åbo Akademi University

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